Finding the Fourth Proportional to 16,248,734.29, 22,385,567.43 and 11,346,191.07
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Solution
The fourth proportional to 16,248,734.29, 22,385,567.43 and 11,346,191.07 is: 15,631,428.32
Step by Step Solution
- Step 1: Write the proportion equation
16,248,734.29 : 22,385,567.43 = 11,346,191.07 : x - Step 2: Convert to fraction form
16,248,734.29/22,385,567.43 = 11,346,191.07/x - Step 3: Cross multiply
16,248,734.29x = 22,385,567.43 × 11,346,191.07 - Step 4: Simplify right side
16,248,734.29x = 253,990,925,271,148.84 - Step 5: Solve for x
x = 253,990,925,271,148.84/16,248,734.29 - Step 6: Final answer
x = 15,631,428.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.